Lttg eor cast-iron shingles



ir srs rr ric JNO. COOK, OF WESTMORELAND, NEW YORK.

LUG FOR CAST-IRON SHINGLES.

To all 'whom t may concern.'

Be. it known that I, JOHN COOK, of I/Vestmoreland, Oneida county, Stateof New York, have invented a new and usef-ul Improvement in Cast-IronShingles; and I do hereby declare t-hat the following is a full andexact description thereof, refer-ence being had to the accompanyingdrawing and to the letters of reference marked thereon.

In the drawing, Figure 1, is a top view. Fig. 2 is a view of the bottom.

To enable others skilled in the art to make and use my invention I willdescribe its cOnstruction and Operation.

I construct it of iron and cast it in the proper form herein described.Fig. 1 is a top view of the shingle; a, the rib; b, the half roundflange; c, the elevation or lap at the bottom, for running over thebottom shingle; Fig. 2, (Z, the under side of the half round flange; e,the projection for fastening the shingle to the rib; f the hole in theprojection e; g, the elevation of one half the thickness of the shinglefor lapping over the lower shingle.

In the operation of my invention, I place the ribs of the roof atregular distances to suit the length of my shingle. Then commence byplacing a shingle on the rib. On the first rib the p-rojection e may beabove or below it as is most convenient, to suit the distance theshingle is to project overthe eaves. The shingle is then firmly fastenedwith a nail or screw through the hole f, in

projection e. I then proceed in the same way until, (having theprojection fastened to the rib in the manner described) the roof isfinished. My last row of shingles I cast with the half round flange onboth sides to give a finish to the roof. By the projection e, forfastening the shingle I avoid the use of a nail hole through theshingle, and the possibility of oxidation by means of the water passingin thereat. The enlarged size of my half round flange allows for thecontraction and expansion; also I have a shingle so light that theexpense and weight of a roof will hardly exceed a wooden one.

Having thus fully described my invention I do not pre-tend to haveinvented cast iron shingles, or giving them any particular form, orexternal shape, nor do I claim constructing' them with the rib a, o-rthe half round Hange'b, or the lap c, or the elevation g, as all thesecontrivances have been heretofore in use; but

lhat I claim as new and useful and desire to secure by Letters Patentis:

The projection e, with the nail hole f On the underside of theshingle,for fastening the same to the rib, either on its upper or lower edge atchoice and for securing the nail from the wet thereby preventing it fromrusting and becoming loose.

JOHN COOK.

Vitnesses T. G. CLAYTON, J. C. CLAYTON.

